Mycroft - Mycroft provides a collection of Sherlock 2 plug-ins for Mozilla-based browsers.
NeedleSearch - Lets you bookmark search engines for future use in the search bar.
PubMed - Allows you to search for information in NLM Medline database.
QLookup - A quick hack to add Google and Dictionary lookups to the context menu in Mozilla.
Slashzilla - A sidebar panel that provides the user with an enhancement to the interface provided by Slashdot.
StormZilla - An extension to view your weather report via your browser based on your zipcode using webservices found on the net.
tinderstatus - a tiny extension that displays the current status of the SeaMonkey or Mozilla Firebird tinderboxen and whether the tree is open or closed in an icon on your browser's status bar.
TuxHealth - Allows you to quickly see what software the remote web site uses, and whether it is open source or proprietary software.